package bishi.day11_5_6;

import java.sql.CallableStatement;
import java.sql.PreparedStatement;
import java.sql.Statement;

/**
 * @author 是阿秋啊
 * @date 2022/05/06 11:12
 **/
public class Main {
    String str = new String("hello a");
    public static void main(String[] args) {
        Main s = new Main();
        change(s.str);
        System.out.println(s.str);
    }
    public static void change(String str) {
        str = "good";
    }
}